During the Great Patriotic War, in the winter of 1941-1942, the crew of the submarine D-2 was in besieged Leningrad. The D-2 submarine made its first combat cruise from September 23 to November 4, 1942. Commander, Captain 3rd Rank R. V. Lindenberg. D-2 broke into the Southern Baltic, torpedoed the Yakubus Fritzen transport off Bornholm Island, and five days later attacked a convoy consisting of two railway ferries carrying Wehrmacht soldiers. One of these ferries was seriously damaged, killing more than 600 soldiers and officers. The boat was chased by anti-submarine ships, and 48 depth charges were dropped on it within four hours, but the D-2 returned safely to Leningrad, where it was met by the Commander-in-Chief of the Navy, Nikolai Gerasimovich Kuznetsov. In total, the boat's combat record includes 12 torpedo attacks and four enemy transports.…
Until 1956, the D-2 was part of the Baltic Fleet. She was then converted into a training station and served in the Navy for another 31 years until 1987.
